Finding the Fourth Proportional to 52,780.95, 72,819.63 and 30,103.56

Step by Step Solution

1. Step 1: Write the proportion equation
   52,780.95 : 72,819.63 = 30,103.56 : x
2. Step 2: Convert to fraction form
   52,780.95/72,819.63 = 30,103.56/x
3. Step 3: Cross multiply
   52,780.95x = 72,819.63 × 30,103.56
4. Step 4: Simplify right side
   52,780.95x = 2,192,130,100.88
5. Step 5: Solve for x
   x = 2,192,130,100.88/52,780.95
6. Step 6: Final answer
   x = 41,532.60